Shareaholic

Shareaholic is the ultimate web browser tool for the link sharing addict!

If you use sites like Facebook, Twitter, MySpace, Digg, Google Gmail, StumbleUpon, etc you'll likely enjoy having Shareaholic by your side. Shareaholic enables you to quickly, and very easily share, bookmark, and e-mail web pages via a wide array of your favorite web 2.0 social networking, bookmarking, blogging, and email services.